Quote:
Originally Posted by yash101
I also am not a big fan of the idea of motorized drive. A castor can easily make it possible to push the load. However, I am guessing that I may reach 400 pounds or more! At that weight, an assisting system will help. I want it so the motor doesn't push, but just aids the person pushing the cart!
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I think lifting 400 pounds of cart into a vehicle is a bigger issue than pushing the cart. I have gotten that much stuff into a truck with 4 people but it would be easier if it could be decided into smaller portions. Do you see that by dividing the cart into smaller pieces you can solve several issues? Or just use more people to solve the task
You've seen forklifts and pallet movers right? Most pallet movers are not motorized because pushing an heavy object on a flat surface only require you to overcome the friction and inertia of the object. However, were forklifts are used to move objects vertically or over inclines and thus are motorized. My work has motorized pallet movers but they are also forklifts. In the warehouse, there may be an object that has too much inertia to accelerate or decelerate but thats over a thousands pounds. I have moved 2,000 pound fixtures and it can be done by humans. We even skipped using the forklift because we a dozen people to help. However, a battery charging station can be decided into smaller pieces, I did not have this luxury when moving the 2,000 pound fixture.
I think a better exercise for motors would be CADing drives for robots. Last year, we had 3 separate CAD proposals. Even if you don't use them, its worth while to CAD and learn.